The 2026 tax filing season for the period 1 March 2025 to 28 February 2026 will open on 13 July 2026. As the South African Revenue Service (SARS) intensifies its oversight of high-net-worth individuals (HNWIs), this filing period demands careful preparation. With a dedicated focus on ensuring tax compliance among wealthy taxpayers, proactive planning and robust documentation have never been more essential.

In 2021, SARS launched a specialised High Wealth Individual Unit to strengthen compliance and address the unique complexities of HNWI tax affairs. This unit reflects SARS’s strategic shift toward targeted enforcement, using data analytics and international information exchange to identify discrepancies in reported income, assets, and wealth accumulation.

A key development is the mandatory submission of a detailed statement of assets and liabilities. With effect from the 2023 tax year, all individuals holding gross assets (at market value) exceeding R50 million in their personal names must include this comprehensive disclosure as part of their annual income tax return. The requirement aims to provide SARS with a clearer picture of personal balance sheets, enabling better detection of unreported income, corruption or aggressive tax-planning structures.

Considering this heightened scrutiny, maintaining comprehensive supporting documentation is critical. Taxpayers should keep detailed records substantiating the sources of funds for all major acquisitions, investments, and significant movements in personal balance sheets. This includes proof of legitimate wealth creation, whether from business profits, inheritance, asset sales, or other taxable or non-taxable events. Ensuring that all increases in wealth have been appropriately taxed is not merely good practice; it forms a vital defence against potential audits.

SARS retains the authority to request additional information and review prior tax years retrospectively. Comprehensive records place taxpayers in a significantly strong position should disputes arise. Well-organised documentation can expedite resolutions, minimise penalties, and reduce the risk of protracted litigation. In an environment where data matching and third-party reporting continue to expand, the burden of proof increasingly falls on the taxpayer.

Beyond immediate tax compliance, a detailed personal balance sheet approach offers substantial long-term benefits. In the unfortunate event of a wealthy individual's death, it facilitates a seamless estate administration process. Executors, with the help of personal accountants, can more easily develop the estate’s Liquidation and Distribution (L&D) account, accurately calculate Capital Gains Tax (CGT) on deemed disposals, determine estate duty liabilities, distribute after-tax amounts to beneficiaries, and wind up the estate efficiently. This structured approach minimises delays, reduces administrative costs, and helps prevent family disputes over asset valuations or tax obligations.

As the 2026 tax season approaches, HNWIs should promptly review their financial records, update their asset and liability statements, and engage our professional accountants at PH Tax & Accounting to ensure all personal balance sheets are up to date and reconciled. Proactive documentation not only mitigates compliance risks but also supports effective wealth preservation and generational transfer.

In an increasingly transparent tax environment, thorough preparation remains the best defence and strategic advantage for high-net-worth individuals.

Disclaimer: This article is the personal opinion/view of the author(s) and does not necessarily present the views of the firm. The content is provided for information only and should not be seen as an exact or complete exposition of the law. Accordingly, no reliance should be placed on the content for any reason whatsoever, and no action should be taken on the basis thereof unless its application and accuracy have been confirmed by a legal advisor. The firm and author(s) cannot be held liable for any prejudice or damage resulting from action taken based on this content without further written confirmation by the author(s).